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authorDan Gohman <gohman@apple.com>2009-03-17 02:45:40 +0000
committerDan Gohman <gohman@apple.com>2009-03-17 02:45:40 +0000
commit9626447e70a3c8dc88b09f84414ee416a39518b1 (patch)
tree788cd431cd8036976c40329637536d2ffe847917
parentd73566609ea050ab73e0a3cda1c3840fd1a3d8fb (diff)
Recognize bswapl as bswap too.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67072 91177308-0d34-0410-b5e6-96231b3b80d8
-rw-r--r--lib/Target/X86/X86TargetAsmInfo.cpp7
-rw-r--r--test/CodeGen/X86/bswap-inline-asm.ll5
2 files changed, 10 insertions, 2 deletions
diff --git a/lib/Target/X86/X86TargetAsmInfo.cpp b/lib/Target/X86/X86TargetAsmInfo.cpp
index f3faa7022c..f1d97a3893 100644
--- a/lib/Target/X86/X86TargetAsmInfo.cpp
+++ b/lib/Target/X86/X86TargetAsmInfo.cpp
@@ -411,8 +411,11 @@ bool X86TargetAsmInfo<BaseTAI>::ExpandInlineAsm(CallInst *CI) const {
// bswap $0
if (AsmPieces.size() == 2 &&
- (AsmPieces[0] == "bswap" || AsmPieces[0] == "bswapq") &&
- (AsmPieces[1] == "$0" || AsmPieces[1] == "${0:q}")) {
+ (AsmPieces[0] == "bswap" ||
+ AsmPieces[0] == "bswapq" ||
+ AsmPieces[0] == "bswapl") &&
+ (AsmPieces[1] == "$0" ||
+ AsmPieces[1] == "${0:q}")) {
// No need to check constraints, nothing other than the equivalent of
// "=r,0" would be valid here.
return LowerToBSwap(CI);
diff --git a/test/CodeGen/X86/bswap-inline-asm.ll b/test/CodeGen/X86/bswap-inline-asm.ll
index c44d845c83..91f8310361 100644
--- a/test/CodeGen/X86/bswap-inline-asm.ll
+++ b/test/CodeGen/X86/bswap-inline-asm.ll
@@ -1,6 +1,7 @@
; RUN: llvm-as < %s | llc -march=x86-64 > %t
; RUN: not grep APP %t
; RUN: grep bswapq %t | count 2
+; RUN: grep bswapl %t | count 1
define i64 @foo(i64 %x) nounwind {
%asmtmp = tail call i64 asm "bswap $0", "=r,0,~{dirflag},~{fpsr},~{flags}"(i64 %x) nounwind
@@ -10,3 +11,7 @@ define i64 @bar(i64 %x) nounwind {
%asmtmp = tail call i64 asm "bswapq ${0:q}", "=r,0,~{dirflag},~{fpsr},~{flags}"(i64 %x) nounwind
ret i64 %asmtmp
}
+define i32 @pen(i32 %x) nounwind {
+ %asmtmp = tail call i32 asm "bswapl ${0:q}", "=r,0,~{dirflag},~{fpsr},~{flags}"(i32 %x) nounwind
+ ret i32 %asmtmp
+}